When using an automatic soap dispenser, there is no need to touch the machine. The size of the liquid can be set and the setting is quick and easy. There are LED lights, when you start using it will light red, you can also see the remaining soap in the machine, reminding you to add soap in time. The soap dispenser is wall mounted for space saving and cleanliness. Made of 304 stainless steel. There are four colors to choose from.Available in four colors: gold, polished, brushed and black carbon.